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/*
 * netsniff-ng - the packet sniffing beast
 * Copyright 2009, 2010 Daniel Borkmann.
 * Subject to the GPL, version 2.
 */

#ifndef XIO_H
#define XIO_H

extern int open_or_die(const char *file, int flags);
extern int open_or_die_m(const char *file, int flags, mode_t mode);
extern void create_or_die(const char *file, mode_t mode);
extern int tun_open_or_die(char *name, int type);
extern void pipe_or_die(int pipefd[2], int flags);
extern ssize_t read_or_die(int fd, void *buf, size_t count);
extern ssize_t write_or_die(int fd, const void *buf, size_t count);
extern ssize_t read_exact(int fd, void *buf, size_t len, int mayexit);
extern ssize_t write_exact(int fd, void *buf, size_t len, int mayexit);
extern int secrand(void);
extern void to_std_log(FILE **fp);

#endif /* XIO_H */
th>1282ac36c201cdc5fab01357fe5910d234403e87 parentd138027a8256a3e9d7657c8d0dae84c08ef2cfe1 (diff)
pNFS/flexfiles: Fix an Oopsable condition when connection to the DS fails
If the attempt to connect to a DS fails inside ff_layout_pg_init_read or ff_layout_pg_init_write, then we currently end up clearing the layout segment carried by the struct nfs_pageio_descriptor, causing an Oops when we later call into ff_layout_read_pagelist/ff_layout_write_pagelist. The fix is to ensure we return the layout and then retry. Fixes: 446ca2195303 ("pNFS/flexfiles: When initing reads or writes, we...") Cc: stable@vger.kernel.org # v4.7+ Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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